body {
    height: 100vh;
    overflow: hidden;
}

.bg {
    cursor: pointer;
    float: left;
    margin-top: 50px;
    margin-left: -80px;
    color: #0088FF;
}

header.title {
    height: 40px;
    background-color: #31b5d5;
}

.titleText {
    float: left;
    line-height: 40px;
    margin-left: 10px
}

.titleUserContainer {
    float: right;
    margin-right: 15px;
}

.titleUserContainer div {
    float: left;
}

.titleUserNameLogo {
    width: 20px;
    height: 20px;
    margin: 10px;
    background-image: url('../images/man.png');
}

.titleUserName {
    height: 40px;
    line-height: 40px;
}

.titleUserLogOut {
    width: 20px;
    height: 20px;
    margin: 10px;
    background-image: url('../images/x.png');
}

.sec {
    float: left;
    height: 100%;
}

.left,
.right {
    width: 20%;
}

.middle {
    width: 60%;
}

.secTitle {
    height: 40px;
    line-height: 40px;
    text-align: center;
}